Everyone who reloads should read Dr Franklin Mann's book, published 100 years ago. Short version: the base matters a lot, the tip far, far less. Gun writers have been redoing his experiments ever since with the same results.

Mann

(This applies to basic accuracy of course, not BC or extended range)

'Four legs good, two legs baaaad."
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"Jimmy, some of it's magic,
Some of it's tragic,
But I had a good life all the way."
(Jimmy Buffett)

SotG